Motorwitch is a Swiss heavy/speed metal band whose 2023 "Crossfire" demo channels the raw, whiplash energy of 1980s speed metal across three tracks of relentless riffing. Their sound draws comparisons to classic acts like Living Death, emphasizing breakneck tempos and old-school metal ferocity.

Motörhead is the legendary speed metal and heavy metal band from London, England. Founded by the iconic Lemmy Kilmister, they defined a raw, uncompromising sound at the intersection of metal and punk that influenced generations of extreme music.

Mourning Scars is a heavy/doom metal act from Gothenburg, formed in 2023. The band delivers crushing, mournful compositions from Sweden's premier metal city.

Mourning Wood is a heavy metal act from the Kainuu region of eastern Finland, active since 2016. The band channels the double-entendre humor of their name into classic metal from one of Finland's most remote and forested regions.

Mover is a heavy metal and hard rock act from Amsterdam, active since 2017. The band delivers energetic, riff-driven compositions from the Dutch capital's diverse music scene.

Mr. Crowley is a heavy metal band from Finland, formed in 2011. They forge classic heavy metal with an occult edge inspired by their namesake.

Mr. Mephisto is a heavy metal/punk band from Rome, Italy, formed in 2019. They deliver classic heavy metal rooted in the genre's timeless traditions.

Mrs. Hippie is a heavy metal band from Gothenburg, Sweden, formed in 2015. They deliver classic heavy metal rooted in the genre's timeless traditions.

Mudlark is a heavy metal and hard rock act from Karlsruhe in Baden-Württemberg, active since 2013. Named after the riverbank scavengers who search for treasure in mud, the band delivers riff-heavy, unpretentious metal.